MCFNL2020K12 Left-Hand External Turning Tool Holder, 75° Cutting Angle, Multi-Lock System, 20mm Shank, 125mm Length
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Product Overview: The MCFNL2020K12 is a high-performance left-hand external turning tool holder designed for CNC machines, lathes, and machining centers. Ideal for a wide range of applications, including turning plastics and metals, this tool holder is engineered to deliver precision and reliability in demanding machining tasks. With a 75° cutting edge angle and a robust multi-lock system, it ensures secure and accurate positioning of the cutting inserts.
Specifications:
- Model: MCFNL2020K12
- Tool Cutting Edge Angle: 75°
- Shank Width (B): 20mm
- Shank Height (H): 20mm
- Total Length (L): 125mm
- Functional Width (f): 20mm
- Head Length (L1): 20mm
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Insert Compatibility:
- ISO Part Number: CNMG120404, CNMG120408, CNMG120412
- ANSI Part Number: CNMG 431, CNMG 432, CNMG 433
- Clamp: HL1814
- Shim: MC1204
- Pin: CTM617
- Clamp Screw: ML0625
- Wrench: L3.0
Key Features:
- Precision Engineering: Designed with a 75° cutting edge angle for precise machining and reduced tool wear.
- Multi-Lock System: Ensures secure and stable clamping of the insert, enhancing the tool's performance and longevity.
- Versatile Compatibility: Supports various CNMG insert sizes, providing flexibility for different machining needs.
- Durable Construction: Made from high-quality materials, this tool holder offers excellent durability and resistance to wear.
- Easy Setup: Comes with a complete set of accessories including a clamp, shim, pin, and wrench for quick and easy setup.
Note: The image is for display purposes only. Inserts are not included with the tool holder.
MCFNL2020K12 CNC Turning Tool Holder MCFNL 2020 K12 MCFNL2020
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Features of MCFNL2020K12
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Specifications of MCFNL2020K12
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Compatible Inserts and Accessories
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Precision Engineering for Accurate Machining
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Secure Multi-Lock System
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Versatility in Insert Compatibility
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Durability and Quality Construction
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Easy Installation and Setup
This product content is crafted to highlight the key features and specifications of the MCFNL2020K12 tool holder, making it appealing to professionals looking for reliable and high-quality CNC machining tools.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.